GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Corvette 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Headlamp Motor/Actuator Replacement

Removal Procedure

    Object Number: 64691 Size: SH
  1. Remove the appropriate headlamp assembly from the vehicle. Refer to Headlamp Replacement .
  2. Disconnect the headlamp wiring harness electrical connectors from the headlamp bulb/sockets.

    3. Important: Note the linkage-to-motor relationship for reassembly.

  3. Remove the headlamp assembly pivot arm to the headlamp motor/actuator nut.
  4. Remove the bolts from headlamp motor/actuator.
  5. Remove the headlamp motor/actuator from the headlamp.

Installation Procedure

    Object Number: 64691 Size: SH
  1. Position the headlamp motor/actuator to the headlamp assembly.
  2. Install the pivot arm to the motor.

    3. Place the pivot arm in the position noted prior to removal.

  3. Loosely install the nut retaining the headlamp assembly pivot arm to the motor/actuator.

    4. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  4. Install the headlamp motor/actuator bolts.

    5. Tighten

        • Tighten the headlamp motor/actuator mounting bolts to 7 N·m (62 lb in).
        • Tighten the headlamp motor/actuator to pivot arm nut to 6 N·m (53 lb in).
  5. Connect the headlamp wiring harness electrical connectors to the headlamp bulbs.
  6. Install the headlamp assembly to the vehicle. Refer to Headlamp Replacement .